Chapter 5 Troubleshooting and maintenance
5-5
5.1.3. Operation errors
Display
Error
Cause Corrective Action
Parameter and
frequency
reverse already
locked
1.Attempt to modify frequency
parameter while 12-07>0
2.Attempt to reverse while
10-01=1
1. Set 12-07=0
2. Set 10-01=0
Keypad
operation error
1. Press ▲ or ▼while 00-05/00-
06>0 or running at preset
speed.
2. Attempt to modify the Parameter.
Can not be modified during operation
(refer to the parameter list).
1.The ▲ or▼ is available
for modifying the
parameter only when
00-05/00-06=0
2. Modify the parameter
in STOP mode.
Parameter setting
error
1. 00-08 is within the range of
10-11 ± 10-14 or 10-12 ± 10-14 or
10-13 ± 10-14
2. 00-07≤00-08
3.Setting error while
Performing Auto tuning.
(e.g.00-03/00-04≠0,00-05/00-06 ≠ 0 )
1. Modify 10-11~10-13 or
10-14
2. Set 00-07>00-08
3. Set 00-03/00-04=0 and
05/00-06=0,
during Auto tuning
Modification of
parameter is
not available in
communication
1. Control command sent during
communication.
2. Attempt to modify the function
08-02 ~ 08-05 during
communication
1. Issue enable command
before communication
2. Set parameters
08-02 ~ 08-05 function
before communication
Communication
failed
1. Wiring error
2. Communication parameter setting
error.
3. Check-Sum error
4. Incorrect communication protocol
1.Check hardware and wiring
2.Check Functions
08-02 ~ 08-05
Parameter
conflict
1. Attempt to modify the function 12-
00/12-06.
2. Voltage and current detection circuit
is abnormal
If Reset is not possible,
please Return the inverter
LOC
Err1
Err2
Err5
Err6
Err7
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